<?php
/**
 * provide encrypt register functions 
 *
 * @author     ben
 */
class WacCryptRegister
{
    /*
     * get date periods according to the request params
     */
    public static function getKeyFile($request, $interval='month')
    {
        ;
    }

    public static function checkPermission()
    {
        
    }
    
}
